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himanshu

· started a discussion

· 1 Months ago

please (Question: 364684.0 )

sir/ma'am
with all due respect i wanna tell you that there are so many mistakes in your test series.

while running against time, even a slight error in the question takes or lot of time. leaving us hopeless and discouraged.

like in this question, there is an "a" in denominator with tan.sqaure.30 but not in the solution given.

please make the series carefully.

Question:

If a - a tan230o1+ a tan230o   = sin2 30o + 4cot2 45o – sec2 60o, then the value of a is– 

Options:
A)

14    

B)

13    

C)

12    

D)

15    

Solution:

Ans:(c)


Aman raj

· commented

· 1 Months ago

Yet to be approved!
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